Gaithersburg Flag

Gaithersburg

County Seat:
No
Area (mi²):
10.321
State:
Maryland

Gaithersburg is a city located in Montgomery County, Maryland. Gaithersburg has a 2026 population of 71,290. Gaithersburg is currently growing at a rate of 0.43% annually and its population has increased by 2.61% since the most recent census, which recorded a population of 69,477 in 2020.

The median household income in Gaithersburg is $112,467 with a poverty rate of 8.76%. The median age in Gaithersburg is 37.8 years: 37.3 years for males, and 38.2 years for females. For every 100 females there are 92.5 males.

71.3K
Total Population
6,907
Density (mi²)
302 0.43%
Growth

Gaithersburg Population

Gaithersburg Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
202671,2903020.43%
202570,9883020.43%
202470,6864180.59%
202370,2687531.08%
202269,5153370.49%
202169,178-451-0.65%
202069,4771,4652.15%
201968,012-70-0.1%
201868,082780.11%
201768,0043930.58%
201667,6115010.75%
201567,1105710.86%
201466,5398531.3%
201365,6862,6434.19%
201263,0431,6022.61%
201161,4411,2632.1%
201060,1782450.41%
200052,61313,07133.06%
199039,54213,11849.64%
198026,42418,080216.68%
19708,3444,497116.9%
19603,8472,847284.7%
19401,000500100%
190050000%

Median Age

Overall: 37.8 years
Female: 38.2 years
Male: 37.3 years

Gaithersburg Adults

There are 53,974 adults, (9,875 of whom are seniors) in Gaithersburg.

Sex Ratio

Female: 36,272 (51.9%)
Male: 33,553 (48.1%)

Demographics

The racial composition of Gaithersburg includes 32.6% White, 20.39% Asian, 19.49% other race, 15.04% Black or African American, and smaller percentages for Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White22,76532.6%
Asian14,23520.39%
Other race13,60819.49%
Black or African American10,50215.04%
Two or more races7,83611.22%
Native American7411.06%
Native Hawaiian or Pacific Islander1380.2%
Race
Population ↓
Percentage (of total)
Other race13,07418.72%
Two or more races5,1677.4%
White2,0382.92%
Native American6961%
Black or African American2830.41%
Asian730.1%
Race
Population ↓
Percentage (of total)
White20,72729.68%
Asian14,16220.28%
Black or African American10,21914.64%
Two or more races2,6693.82%
Other race5340.76%
Native Hawaiian or Pacific Islander1380.2%
Native American450.06%

Gaithersburg Marital Status

Economics and Income Statistics

Gaithersburg 's average per capita income is $63,344. Household income levels show a median of $112,467. The poverty rate stands at 8.76%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median ↓
Mean
Married Families$153,145-
Families$127,890$162,541
Households$112,467$144,533
Non Families$85,588$103,360

$63,344

Average Income

$112,467

Median Household Income

8.76%

Poverty Rate

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)